CN106628656A - Vacuum thermal insulation box - Google Patents
Vacuum thermal insulation box Download PDFInfo
- Publication number
- CN106628656A CN106628656A CN201611202776.7A CN201611202776A CN106628656A CN 106628656 A CN106628656 A CN 106628656A CN 201611202776 A CN201611202776 A CN 201611202776A CN 106628656 A CN106628656 A CN 106628656A
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- CN
- China
- Prior art keywords
- box
- lid
- box body
- plane
- gap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
- B65D81/3818—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed with double walls, i.e. hollow
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Abstract
The invention discloses a vacuum thermal insulation box and relates to thermal insulation equipment. The vacuum thermal insulation box comprises a box body and a box lid. The box body comprises an outer box body and an inner box body, and a gap is arranged between the outer box body and the inner box body. The box lid comprises an outer box lid and an inner box lid, and a gap is arranged between the outer box lid and the inner box lid. A first oblique plane facing towards the inner box body is arranged at the top of the outer box body, a second oblique plane facing towards the outer box body is arranged at the top of the inner box body, a third oblique plane matching the first oblique plane is arranged at the bottom of the outer box lid, a fourth oblique plane matching the second oblique plane is arranged at the bottom of the inner box lid, an air extracting device is arranged at the bottom of the box body, and the air extracting device is communicated with the gap between the outer box body and the inner box body. Compared with the prior art, the vacuum thermal insulation box is provided with a vacuum layer which surrounds the heat preserving substance without interruption, which can completely block the heat transfer of the heat preserving substance, improve the heat preservation effect, and solves the problem in prior art that the heat preservation effect is poor at the contact between the box lid and the box body.
Description
Technical field
The present invention relates to a kind of insulation apparatus, especially a kind of heat-preservation lunch box.
Background technology
The propagation of heating power has three kinds of approach：Radiation, convection current and transmission.In incubation chamber field, the generally inner bag with painting silver is anti-
Radiation of heat is penetrated, using the vacuum between inner bag and box body or thermal insulation layer the transmission of heating power is blocked, using being difficult to transmit heat
Material prevents thermal convection current.Now on the market the incubation chamber with good heat preservation effect all has vacuum layer or thermal insulation layer, but
This structure has a kind of defect, both the junction between box body and lid be heat insulation effect it is worst where, no matter incubation chamber its
It is good again that his position heat insulation effect does, and junction heat insulation effect is bad to be also easy to rapid loss heat insulation effect.
The content of the invention
The present invention is directed to deficiency of the prior art, there is provided a kind of vacuum heat-preserving box, and the present invention has free of discontinuities surrounding
The vacuum layer of insulation thing, the heat transfer of the omnibearing cut-off insulation thing of energy, improves heat insulation effect.Solve conventional box with lid
The not good problem of body contact position heat insulation effect.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals：A kind of vacuum heat-preserving box, bag
Box body and lid are included, it is characterized by, described box body includes outter box and inner box, described outter box and described inner box
Between there is gap, by some fiberglass poles connections, described box between described outter box and described inner box
Lid includes outer lid and interior lid, with gap between described outer lid and described interior lid, described outer lid and institute
By some fiberglass pole connections between the interior lid stated, described outter box top has the first towards the inner box
Inclined-plane, described inner box top has the second inclined-plane towards the outter box, and described outer box base portion has and the first
The third inclined-plane that inclined-plane is engaged, described inner box base portion has the fourth inclined-plane being engaged with the second inclined-plane, described box body
Bottom is additionally provided with air extractor, and described air extractor connects the gap between the outter box and described inner box.
In above-mentioned technical proposal, it is preferred that described air extractor includes connecting the outter box and described inner box
Between gap hand-operating vacuum-pump and intake valve.
In above-mentioned technical proposal, it is preferred that described first inclined-plane, described second inclined-plane, the third described inclined-plane and described
Fourth is provided with pile layer on inclined-plane.
In above-mentioned technical proposal, it is preferred that the outer lid, the interior lid, the outter box and described inner box
Corner be arc.
In above-mentioned technical proposal, it is preferred that be provided with movable handle on described lid.
The box body and lid of the present invention is all divided into inside and outside two-layer, all has gap between inside and outside two-layer, and both internal layer was " outstanding
It is floating " in outer layer.All connected by fiberglass pole between inside and outside two-layer, fiberglass pole is a kind of heat-resist, and machinery is strong
The high material of degree, fiberglass pole is evenly distributed in the gap between ectonexine during connection, makes the support force of all directions
Uniformly, the quantity of fiberglass pole is more few better under the requirement of proof strength, while the diameter of bar is then at 1 millimeter to 3 millis
Between rice.There is vavuum pump with box body ectonexine gap area in box body bottom, as long as lid covers box body when using, box is allowed
Gap area between lid and box body ectonexine, then can be with using the air between vavuum pump extraction gap.Because lid
Using the inclined-plane for mutually agreeing with, this inclined-plane can be sealed completely to ectonexine for sealing and box body between, true taking out
Space-time can't allow outside air to enter in gap.After the completion of vacuumizing, the inside and outside layer gap of box body and lid does not have air,
Pressure in gap is 0, and now under atmospheric pressure lid and box body can closely link together.Once gap is taken out
Vacuum, then gap can just be considered as a vacuum heat-insulating layer, the insulation thing wrapped in box body because gap is free of discontinuities, this
Vacuum heat-insulating layer be it is comprehensive wrap insulation thing without dead angle, then separated the heat transfer of insulation thing completely so that
Heat insulation effect is greatly enhanced.When needing to take out insulation thing, it is only necessary to open intake valve, allow in gap be passed through air just can be easily
Take down lid.
Compared with prior art, the invention has the beneficial effects as follows：Vacuum of the present invention with circular insulation thing free of discontinuities
Layer, the heat transfer of the omnibearing cut-off insulation thing of energy, improves heat insulation effect.Solve conventional lid box body contact position insulation effect
The not good problem of fruit.
Description of the drawings
Fig. 1 is schematic perspective view of the present invention.
Fig. 2 is front schematic view of the present invention.
Fig. 3 is Fig. 2-A places of the present invention schematic diagram.
Specific embodiment
The present invention is described in further detail with reference to specific embodiment and accompanying drawing.
Embodiment 1：As shown in Figure 1 to Figure 3, a kind of vacuum heat-preserving box, including box body 2 and lid 1, described box body 2 is wrapped
Include outter box 21 and inner box 22, there is gap 4, described outter box between described outter box 21 and described inner box 22
Connected by some fiberglass poles 3 between 21 and described inner box 22.Described lid 1 includes outer lid 11 and inner box
There is gap 4, described outer lid 11 and described interior lid between lid 12, described outer lid 11 and described interior lid 12
Connected by some fiberglass poles 3 between 12, the outer lid 11, the interior lid 12, the outter box 21 and described
Inner box 22 corner be arc.The described top of outter box 21 has the first inclined-plane 6 towards the inner box 22, described
The top of inner box 22 there is second inclined-plane 8 towards the outter box 21, the described bottom of outer lid 11 has oblique with the first
The third inclined-plane 5 that face 6 is engaged, the described bottom of interior lid 12 has the fourth inclined-plane 7 being engaged with the second inclined-plane 8.Described
The bottom of box body 2 is additionally provided with air extractor, and described air extractor includes connecting the outter box 21 and described inner box 22
Between gap hand-operating vacuum-pump 91 and intake valve 92.Have on first inclined-plane 6, second inclined-plane 8, the third inclined-plane 5 and fourth inclined-plane 7
Increase the pile layer of sealing and friction, capability.Movable handle 93 is additionally provided with described lid 1.
When using, first insulation thing is put in inner box 22, then lid 1 is covered on box body 2, allowed on lid 1
Third inclined-plane 5 and fourth inclined-plane 7 are inserted into first inclined-plane 6 and second inclined-plane 8 on box body 2, because the third inclined-plane 5 and fourth inclined-plane 7 form one
The wedge type on first inclined-plane 6 and second inclined-plane 8 is may be inserted into, may behind the third inclined-plane 5 and the insertion Hou Jia inclined-planes of fourth inclined-plane 76 and second inclined-plane 8
Completely cut off completely inside and outside.Now lid 1 is presented sealing state with box body 2, and lid 1 is interconnected and is formed with part gap 4 in box body 2
One cavity for wrapping inner box 22 and interior lid 12.After lid 1 and the good seal of box body 2, manually vavuum pump 91 is to box
The gap 4 of lid 1 and box body 2 is exhausted, and the working method of hand-operating vacuum-pump 91 can be drawing and pulling type or rotary type, more may be used
To be evacuated using small-sized electric hollow pump or be evacuated using external vacuum pump.Once lid 1 and box body 2
Gap 4 forms vacuum or similar hollow environment, then gap 4 can just be considered as a vacuum heat-insulating layer, this vacuum heat-preserving
Layer is to wrap insulation thing without dead angle is omnibearing, thus can greatly reduce or prevent the heat biography of insulation thing
Pass.Simultaneously because pressure is close or equal to 0, together with lid 1 can be firmly fixed with box body 2 in gap, open the lid 1 when
Need to carry out air inlet by intake valve 92 to allow gap inside and outside air pressure balance.
Claims (5)
1. a kind of vacuum heat-preserving box, including box body（2）And lid（1）, it is characterized by, described box body（2）Including outter box
（21）And inner box（22）, described outter box（21）With described inner box（22）Between have gap（4）, described outer box
Body（21）With described inner box（22）Between pass through some fiberglass poles（3）Connection, described lid（1）Including outer box
Lid（11）With interior lid（12）, described outer lid（11）With described interior lid（12）Between have gap（4）, described is outer
Lid（11）With described interior lid（12）Between pass through some fiberglass poles（3）Connection, described outter box（21）Top
Portion has towards the inner box（22）First inclined-plane（6）, described inner box（22）Top has towards the outter box
（21）Second inclined-plane（8）, described outer lid（11）Bottom has and the first inclined-plane（6）The third inclined-plane being engaged（5）, it is described
Interior lid（12）Bottom has and the second inclined-plane（8）The fourth inclined-plane being engaged（7）, described box body（2）Bottom also sets up
There is air extractor, described air extractor connects the outter box（21）With described inner box（22）Between gap（4）.
2. a kind of vacuum heat-preserving box according to claim 1, it is characterized by, described air extractor includes that connection is described outer
Box body（21）With described inner box（22）Between gap（4）Hand-operating vacuum-pump（91）And intake valve（92）.
3. a kind of vacuum heat-preserving box according to claim 1, it is characterized by, described first inclined-plane（5）, described second inclined-plane
（8）, described third inclined-plane（5）With described fourth inclined-plane（7）On be provided with pile layer.
4. a kind of vacuum heat-preserving box according to claim 1, it is characterized by, the outer lid, the outer lid（11）, institute
State interior lid（12）, the outter box（21）With described inner box（22）Corner be arc.
5. a kind of vacuum heat-preserving box according to claim 1, it is characterized by, described lid（1）On be provided with activity and carry
Hand（93）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202776.7A CN106628656A (en) | 2016-12-23 | 2016-12-23 | Vacuum thermal insulation box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202776.7A CN106628656A (en) | 2016-12-23 | 2016-12-23 | Vacuum thermal insulation box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106628656A true CN106628656A (en) | 2017-05-10 |
Family
ID=58826737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611202776.7A Pending CN106628656A (en) | 2016-12-23 | 2016-12-23 | Vacuum thermal insulation box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106628656A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2534748A1 (en) * | 1975-08-04 | 1977-02-24 | Unilever Nv | Gastight food container with sealed lid - having weak outer seal between container and strong foil inner seal |
| CN2745880Y (en) * | 2004-10-18 | 2005-12-14 | 董绍香 | Vacuum sealing container |
| CN201140860Y (en) * | 2008-01-23 | 2008-10-29 | 陈正识 | Vacuum thermal insulation fresh-keeping food container |
| CN201292074Y (en) * | 2008-10-21 | 2009-08-19 | 吕石部 | Container cover |
| CN201614093U (en) * | 2010-01-29 | 2010-10-27 | 嘉兴市光泰照明有限公司 | Preservation box |
| US20120125928A1 (en) * | 2009-08-12 | 2012-05-24 | Pi-Design Ag | Grinder container |
-
2016
- 2016-12-23 CN CN201611202776.7A patent/CN106628656A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2534748A1 (en) * | 1975-08-04 | 1977-02-24 | Unilever Nv | Gastight food container with sealed lid - having weak outer seal between container and strong foil inner seal |
| CN2745880Y (en) * | 2004-10-18 | 2005-12-14 | 董绍香 | Vacuum sealing container |
| CN201140860Y (en) * | 2008-01-23 | 2008-10-29 | 陈正识 | Vacuum thermal insulation fresh-keeping food container |
| CN201292074Y (en) * | 2008-10-21 | 2009-08-19 | 吕石部 | Container cover |
| US20120125928A1 (en) * | 2009-08-12 | 2012-05-24 | Pi-Design Ag | Grinder container |
| CN201614093U (en) * | 2010-01-29 | 2010-10-27 | 嘉兴市光泰照明有限公司 | Preservation box |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |